CN104798133B - 旋转头数据存储和检索系统以及数据验证方法 - Google Patents

旋转头数据存储和检索系统以及数据验证方法 Download PDF

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Publication number
CN104798133B
CN104798133B CN201380059195.0A CN201380059195A CN104798133B CN 104798133 B CN104798133 B CN 104798133B CN 201380059195 A CN201380059195 A CN 201380059195A CN 104798133 B CN104798133 B CN 104798133B
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China
Prior art keywords
optical
head
heads
data
work surface
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CN201380059195.0A
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English (en)
Chinese (zh)
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CN104798133A (zh
Inventor
C·麦迪森
T·C·奥斯特瓦尔德
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Oracle International Corp
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Oracle International Corp
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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1879—Direct read-after-write methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00458—Verification, i.e. checking data during or after recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • G11B7/0031—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Digital Magnetic Recording (AREA)
CN201380059195.0A 2012-11-07 2013-11-05 旋转头数据存储和检索系统以及数据验证方法 Active CN104798133B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/670,712 US8897113B2 (en) 2012-11-07 2012-11-07 Rotary head data storage and retrieval system and method for data verification
US13/670,712 2012-11-07
PCT/US2013/068489 WO2014074511A1 (en) 2012-11-07 2013-11-05 Rotary head data storage and retrieval system and method for data verification

Publications (2)

Publication Number Publication Date
CN104798133A CN104798133A (zh) 2015-07-22
CN104798133B true CN104798133B (zh) 2018-09-18

Family

ID=49585657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380059195.0A Active CN104798133B (zh) 2012-11-07 2013-11-05 旋转头数据存储和检索系统以及数据验证方法

Country Status (7)

Country Link
US (1) US8897113B2 (enExample)
EP (1) EP2917912B1 (enExample)
JP (2) JP6138953B2 (enExample)
CN (1) CN104798133B (enExample)
AU (1) AU2013341332B2 (enExample)
NZ (1) NZ706818A (enExample)
WO (1) WO2014074511A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9324347B2 (en) 2012-09-19 2016-04-26 Oracle International Corporation Apparatus and method for controlling tape movement in a rotary head data storage system and retrieval system
US8897113B2 (en) * 2012-11-07 2014-11-25 Oracle International Corporation Rotary head data storage and retrieval system and method for data verification

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US5247505A (en) * 1985-04-17 1993-09-21 Canon Kabushiki Kaisha Information recording method for reciprocally recording and verifying information
US6141312A (en) * 1997-09-30 2000-10-31 Compaq Computer Coporation Optical tape drive that performs direct read after write operations
CN101436415A (zh) * 2007-11-12 2009-05-20 王诚实 一种光碟读写设备以及用于该设备光头的制造调控方法
CN102194488A (zh) * 2010-03-05 2011-09-21 西部数据传媒公司 在旋转架上处理盘片
CN102280123A (zh) * 2010-04-28 2011-12-14 通用电气公司 具有多个头和多个光盘的光学存储系统的编码
US8225339B1 (en) * 2011-06-17 2012-07-17 Oracle International Corporation Rotary head data storage and retrieval system and method

Also Published As

Publication number Publication date
US20140126344A1 (en) 2014-05-08
HK1212810A1 (zh) 2016-06-17
US8897113B2 (en) 2014-11-25
EP2917912B1 (en) 2021-08-11
AU2013341332B2 (en) 2018-08-30
JP2015533445A (ja) 2015-11-24
JP2017126397A (ja) 2017-07-20
EP2917912A1 (en) 2015-09-16
JP6138953B2 (ja) 2017-05-31
AU2013341332A1 (en) 2015-04-16
WO2014074511A1 (en) 2014-05-15
CN104798133A (zh) 2015-07-22
JP6534413B2 (ja) 2019-06-26
NZ706818A (en) 2018-04-27

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